25219821

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 40599360

約数和(自身を除く): 15379539

約数列:

[1, 3, 11, 19, 29, 33, 57, 73, 87, 209, 219, 319, 361, 551, 627, 803, 957, 1083, 1387, 1653, 2117, 2409, 3971, 4161, 6061, 6351, 10469, 11913, 15257, 18183, 23287, 26353, 31407, 40223, 45771, 69861, 79059, 115159, 120669, 289883, 345477, 442453, 764237, 869649, 1327359, 2292711, 8406607, 25219821]

約数ペア:

[(1, 25219821), (3, 8406607), (11, 2292711), (19, 1327359), (29, 869649), (33, 764237), (57, 442453), (73, 345477), (87, 289883), (209, 120669), (219, 115159), (319, 79059), (361, 69861), (551, 45771), (627, 40223), (803, 31407), (957, 26353), (1083, 23287), (1387, 18183), (1653, 15257), (2117, 11913), (2409, 10469), (3971, 6351), (4161, 6061)]